A small script that allows quick concealment of HUD to help make better screenshots and at the same time it doesn't hinder the gameplay.
How to install: Unarchive and move "gamedata" folder to Stalker:Clear Sky root (location - C:\Program Files (x86)\Steam\steamapps\common\STALKER Clear Sky).
How to use.
To hide HUD: while in game, open menu(Esc), press H, close menu.
To show HUD: open menu, press J, close.
Or reconfigure keys as you wish by replacing "DIK_H" and "DIK_J" in god.script.
Correct system names of keys are listed on Microsoft site.